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Solutions for Bash Shell Scripting

Solutions, instructions, and examples for writing bash scripts.

How to write bash FOR-loops
Instructions and examples for writing FOR-loops in a bash shell

How to write bash WHILE-loops
Instructions and examples for writing WHILE-loops in a bash shell

How to pass arguments to a Bash-script
Instructions and examples for writing WHILE-loops in a bash shell

How to use the GNU/Linux "screen" Terminal Window Manager
Instructions and examples for using the GNU/Linux "screen" Utility

How to write IF-statements in a Bash-script
Instructions and examples for writing IF-statements in a Bash shell script

How to write awk commands and scripts
Instructions and examples for writing awk statements in a bash shell

How to Write Regular Expressions for Pattern Matching
Instructions and examples for pattern matching using regular expressions

How to Write grep Queries
How to Write grep queries

Arithmetic in Bash
How to do arithmetic in Bash

The Linux "screen" Terminal Window Manager
Instructions and examples for using the GNU/Linux "screen" Utility

The "screen" Terminal Window Manager - Key Bindings
Instructions and examples for using the Linux "screen" Utility

How to write awk scripts with numerical conditions
Instructions and examples for writing awk statements in a bash shell for numerical tasks

Functions and Subroutines in Bash Scripts
Instructions and examples for implementing functions and subroutines in Bash scripts

Subshells in Bash Scripts
Instructions and examples for parallel processing using subshells

Process Substitution and Named Pipes
Instructions and examples for process substitution and named pipes

The Linux "screen" Terminal Window Manager
Instructions and examples for using the Linux "screen" Utility

Bash Network Programming
Instructions and examples for network programming and CGI scripts

Bash Shell Command Substitution
Instructions and examples for command substitution

How to Create Menus in Bash Scripts
Instructions and examples for implementing menus in Bash scripts using the select statement

The Bash Shell Prompts
The Bash shell Prompt using shell variables PS1, PS2, PS3, and PS4

Advanced Features of the bc Calculator
Introduction to the advanced features of the Bash bc command line calculator.

How to Use the "bc" Calculator in Scripts
How to Use the "bc" Calculator in Scripts

Defining new Functions in bc
Introduction and examples of function definitions in the bc command line caclulator

Conditionals and Relational Expression in the bc Command Line Calculator

How to use the mkfifo Command
Explanation and examples how to the mkfifo command for interprocess communication.

When Aliases Don't Suffice Define Functions
Review of the alias command and introduction to bash function definitions.

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